Case and bag and case and bag aluminium frame subassembly

The utility model discloses a case and bag and case and bag aluminium frame subassembly, the aluminium frame is gone up by first horizontal plate and first vertical board integrated into one piece to wherein the case and bag aluminium frame subassembly last aluminium frame that includes mutual lock and aluminium frame down, and it is fluted that one side protrusion of first horizontal plate is kept away from to first vertical board, and lower aluminium frame is by second horizontal plate and the vertical board integrated into one piece of second, and it is salient competent rectangular that one side of second horizontal plate is kept away from to the vertical board of second, and the rectangular front end protrusion of level has a draw-in groove with the recess adaptation, and first horizontal plate and second horizontal plate are fixed under case and bag upper cover and the case and bag on the box through rivet connection respectively the utility model discloses, adopt the rivet connection mode fixed, because rivet connection does not receive the thickness effect of aluminum strip, the cross-section of aluminum strip can increase in vertical orientation size as required, and the cross-section inertia couple is grow thereupon also, can make the bending strength reinforcing, in the recess the tongue of the rectangular front end of lower aluminium frame level inserts the vertical board of aluminium frame when the box is closed on, improves the whole fastness of box and assembles the precision